The cultivated Mustards may induce similar effects, and Lander records
the following symptoms as caused by _Brassica nigra_:—In the _horse_,
bronchial symptoms, marked by difficulty in breathing and the discharge
of great quantities of yellowish frothy matter from the nose; in
_cattle_, uneasiness, restlessness and intense colic, with frantic
rushing about and mania, ending in exhaustion, falling, struggles and
collapse; in a recent case there were dullness, coldness, some tympany,
laboured respiration, staggering and falling, and in fatal cases,
immobility and a semi-comatose condition.
REFERENCES.
4, 16, 63, 76, 127, 170, 190, 205, 213, 219.
=Wild Radish= (_Raphanus Raphanistrum_ L.). As in the case of charlock,
the seeds of wild radish are very acrid, and susceptible of introducing
intestinal troubles if eaten by animals when mixed with cereals.
=Garlic Mustard= (_Alliaria officinalis_ Andrz.) and =Treacle Mustard=
(_Erysimum cheiranthoides_ L.). The seeds are stated to have properties
similar to _Brassica Sinapistrum_ (p. 18) owing to a pungent oil; and
when eaten in quantity to induce poisoning, inflammation of the
digestive tract and of the kidneys, as well as nervous symptoms
(Müller).
CARYOPHYLLACEÆ.
=Soapwort= (_Saponaria officinalis_ L.). This plant is more or less
poisonous, but is rarely, if ever, eaten by stock, and no recorded case
of the poisoning of stock has been met with.
_Toxic Principle._ The whole plant, especially the root, contains the
poisonous glucosidal _Saponin_ (C_{18}H_{28}O_{10})_{4}, a peculiar
substance which causes intense frothing when stirred in water.
_Symptoms._ No symptoms of animal poisoning by the plant are recorded,
but the action of Saponin in the blood stream is to induce dissolution
of the red cells, with stupefaction and paralysis, as in the killing of
fish by poisoning. It also causes vomiting and purging. Taken by the
mouth it causes inflammation of the alimentary tract, the contents of
which are fœtid and mixed with blood.
REFERENCES.
16, 63, 76, 81, 203, 235.
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